Chain tensioner for bicycle



FIG. 1 is an outside perspective view of a chain tensioner for a bicyclein accordance with my new design;

FIG. 2 is an outside elevational view of the chain tensioner for abicycle in accordance with my new design;

FIG. 3 is an inside elevational view of the chain tensioner for abicycle in accordance with my new design;

FIG. 4 is a top plan view of the chain tensioner for a bicycle inaccordance with my new design;

FIG. 5 is a bottom plan view of the chain tensioner for a bicycle inaccordance with my new design;

FIG. 6 is a front side end elevational view of the chain tensioner for abicycle in accordance with my new design; and,

FIG. 7 is a rear side end elevational view of the chain tensioner for abicycle in accordance with my new design.

The ornamental design for a chain tensioner for a bicycle, as shown anddescribed.